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If an archive is not recognized as an LLVM bytecode archive then declare

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that it is native so that the linker will pass it on downstream. This avoids
a problem where the native link line fails because there is both a .so and
a .a file. The .a file gets processed as bytecode and then dropped from the
command line.

llvm-svn: 36584
This commit is contained in:
Reid Spencer 2007-04-30 00:29:39 +00:00
parent 727156d5f0
commit db43279e9a
3 changed files with 10 additions and 4 deletions
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3
include/llvm/Linker.h
View File

@ -229,7 +229,8 @@ class Linker {
/// @returns true if an error occurs, otherwise false.
/// @brief Link in one archive.
bool LinkInArchive(
const sys::Path& Filename ///< Filename of the archive to link
const sys::Path& Filename, ///< Filename of the archive to link
bool& is_native ///< Indicates if archive is a native archive
);
/// This method links the \p Src module into the Linker's Composite module

7
lib/Linker/LinkArchives.cpp
View File

@ -88,7 +88,7 @@ GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols) {
/// TRUE - An error occurred.
/// FALSE - No errors.
bool
Linker::LinkInArchive(const sys::Path &Filename) {
Linker::LinkInArchive(const sys::Path &Filename, bool &is_native) {
// Make sure this is an archive file we're dealing with
if (!Filename.isArchive())
@ -118,6 +118,11 @@ Linker::LinkInArchive(const sys::Path &Filename) {
if (!arch)
return error("Cannot read archive '" + Filename.toString() +
"': " + ErrMsg);
if (!arch->isBytecodeArchive()) {
is_native = true;
return false;
}
is_native = false;
// Save a set of symbols that are not defined by the archive. Since we're
// entering a loop, there's no point searching for these multiple times. This

4
lib/Linker/LinkItems.cpp
View File

@ -90,7 +90,7 @@ bool Linker::LinkInLibrary(const std::string& Lib, bool& is_native) {
break;
case sys::Archive_FileType:
if (LinkInArchive(Pathname))
if (LinkInArchive(Pathname, is_native))
return error("Cannot link archive '" + Pathname.toString() + "'");
break;
@ -171,7 +171,7 @@ bool Linker::LinkInFile(const sys::Path &File, bool &is_native) {
// A user may specify an ar archive without -l, perhaps because it
// is not installed as a library. Detect that and link the archive.
verbose("Linking archive file '" + File.toString() + "'");
if (LinkInArchive(File))
if (LinkInArchive(File, is_native))
return error("Cannot link archive '" + File.toString() + "'");
break;